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I-84 Columbia River Gorge Bridges and Sandy River Bridge Project
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Overview
Drivers on Interstate 84 see spectacular views as they pass through the Columbia River Gorge National Scenic Area. Hosting more than 2 million visitors each year, the Columbia River Gorge NSA is one of the most frequently visited natural attractions in the nation. In fact, I-84 just east of Portland has the highest daily traffic volume of all Oregon interstates. That’s why keeping traffic moving along one of Oregon’s busiest thoroughfares in one of the nation’s most treasured National Scenic Areas is a top priority for the Oregon Department of Transportation.
 
Numerous bridges along I-84 through the Columbia River Gorge create a seamless corridor for travelers. Built in the latter half of the 20th century, many of these bridges showed signs of aging and wear, requiring repairs or replacement.  
 
ODOT repaired or replaced 21 spans on I-84 through the Gorge with a new generation of bridges. Modern design and construction techniques bring greater safety to travelers. New bridge designs complement the aesthetic appeal of the Gorge and reflect the allure of the adjacent Historic Columbia River Highway. 
 
I-84 Corridor Strategy guides highway, bridge improvements
In the past, no clear, cohesive framework existed to guide roadway improvements in the Gorge corridor; highways and bridges were designed project-by-project. With the Gorge’s complex regulatory requirements and special interests, this approach has sometimes been costly, time-consuming and inefficient. Working with a team of public involvement professionals, ODOT led development of the I-84 Corridor Strategy that now guides the design and development of future transportation projects within the Gorge.
 
The I-84 Corridor Strategy provides a vision that includes long-term goals for highway projects throughout the Gorge. The design guidelines include conceptual diagrams and recommendations for line, color, and texture of highway features and materials. The strategy also specifies a collaborative, interdisciplinary, interagency approach to project planning and development. 
 
Project Site Map
 


Schedule Overview

The following is a brief description of each “bundle,” or set of bridge projects, included in the Columbia River Gorge corridor.  

 
I-84 Sandy River to Jordan Road--In Progress 
Located at the western gateway to the Columbia River Gorge National Scenic Area, the project replaces two bridges and repairs two others. Construction is under way and is expected to be completed in fall 2014.  For more information check the project web site and
Project Information.   Look here for the weekly construction news that details traffic impacts on the project, updated every Monday.

I-84 Dodson to Tanner Creek--Completed
This project replaced one bridge and repaired three bridges, just west of Cascade Locks near Bonneville Dam, Ainsworth State Park and John B. Yeon State Park.  These bridges were completed in October 2010.  Click here for completion information.
  
I-84 Exit 64 (Hood River)--Completed
Originally built in 1953, the freeway bridge at exit 64 carries both eastbound and westbound traffic.  The exit 64 interchange connects Oregon 35, Interstate 84 and the Hood River Bridge crossing the Columbia River. Construction to replace the bridge and modernize the interchange is underway and is expected to be completed in fall 2011. Project Information 
  
I-84 Hood River to Mosier Creek--Completed
Construction on the Mosier Creek bridge was completed in fall 2010. Project Information 

 
Gorge Bridges Newsletters
December 2011
June 2011
September 2010 
June 2010 
October 2009 
May 2009 
February 2009 
September 2008
April 2008
February 2008
March 2007
January 2007
October 2006 

 
To view a video on YouTube of 2011 winter construction on the bridges, click here. 

Project Budget
Bridge work is funded by the third installment of the Oregon Transportation Investment Act. Interstate 84 roadway improvements are funded by the Statewide Transportation Improvement Program.

Contacts
For more information, contact Mark Baker, Public Involvement Coordinator, (503) 471-6844; mark.baker@obdp.org
 
To be added to our I-84 Columbia River Gorge Bridges mailing list, send an e-mail message to i84crgbridges@gmail.com; please include your e-mail address and/or mailing address.
 
For updated information on highway work and current travel information throughout Oregon, visit www.tripcheck.com or call the Oregon road report at 511 or (800) 977-6368.